Current conditions at

Hyannis, Barnstable Municipal-Boardman Airport (KHYA)

Lat: 41.67°NLon: 70.27°WElev: 49ft.

Fair

56°F

13°C

Humidity 81%
Wind Speed S 8 mph
Barometer 29.80 in (1009.1 mb)
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Last update 16 Apr 5:56 pm EDT
Extended Forecast for

South Dennis MA

  • Tonight

    Tonight: Showers and thunderstorms likely before 3am, then a chance of showers.  Patchy fog after 9pm.  Otherwise, mostly cloudy, with a low around 49. Southwest wind 6 to 9 mph.  Chance of precipitation is 60%.

    Low: 49 °F

    Showers
    Likely and
    Patchy Fog

  • Friday

    Friday: A chance of rain and thunderstorms before 2pm, then a slight chance of rain after 3pm.  Patchy fog before 11am.  Otherwise, mostly cloudy, with a high near 63. Light and variable wind becoming northwest around 6 mph in the afternoon.  Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 63 °F

    Chance Rain
    and Patchy
    Fog

  • Friday Night

    Friday Night: Patchy fog between 2am and 4am.  Otherwise, mostly cloudy, with a low around 43. Light northeast wind.

    Low: 43 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Saturday

    Saturday: Patchy fog between 7am and 9am.  Otherwise, mostly cloudy, with a high near 52. Northeast wind 5 to 7 mph.

    High: 52 °F

    Patchy Fog
    then Cloudy

  • Saturday Night

    Saturday Night: Cloudy, with a low around 43. Light and variable wind.

    Low: 43 °F

    Cloudy

  • Sunday

    Sunday: Showers likely, mainly after 3pm.  Cloudy, with a high near 56. South wind 6 to 10 mph, with gusts as high as 20 mph.  Chance of precipitation is 60%.

    High: 56 °F

    Chance
    Showers then
    Showers
    Likely

  • Sunday Night

    Sunday Night: Showers likely, mainly before 11pm.  Mostly cloudy, with a low around 37. Northwest wind around 8 mph, with gusts as high as 20 mph.  Chance of precipitation is 60%.

    Low: 37 °F

    Showers
    Likely

  • Monday

    Monday: Mostly sunny, with a high near 48. West wind 8 to 10 mph.

    High: 48 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 34. Northwest wind around 7 mph.

    Low: 34 °F

    Partly Cloudy

Detailed Forecast

Tonight
Showers and thunderstorms likely before 3am, then a chance of showers. Patchy fog after 9pm. Otherwise, mostly cloudy, with a low around 49. Southwest wind 6 to 9 mph. Chance of precipitation is 60%.
Friday
A chance of rain and thunderstorms before 2pm, then a slight chance of rain after 3pm. Patchy fog before 11am. Otherwise, mostly cloudy, with a high near 63. Light and variable wind becoming northwest around 6 mph in the afternoon. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday Night
Patchy fog between 2am and 4am. Otherwise, mostly cloudy, with a low around 43. Light northeast wind.
Saturday
Patchy fog between 7am and 9am. Otherwise, mostly cloudy, with a high near 52. Northeast wind 5 to 7 mph.
Saturday Night
Cloudy, with a low around 43. Light and variable wind.
Sunday
Showers likely, mainly after 3pm. Cloudy, with a high near 56. South wind 6 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.
Sunday Night
Showers likely, mainly before 11pm. Mostly cloudy, with a low around 37. Northwest wind around 8 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.
Monday
Mostly sunny, with a high near 48. West wind 8 to 10 mph.
Monday Night
Partly cloudy, with a low around 34. Northwest wind around 7 mph.
Tuesday
Sunny, with a high near 48. Northwest wind 6 to 8 mph becoming southwest in the afternoon.
Tuesday Night
Partly cloudy, with a low around 39. Southwest wind around 8 mph, with gusts as high as 20 mph.
Wednesday
A chance of showers. Partly sunny, with a high near 56. Southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
Wednesday Night
Partly cloudy, with a low around 41. Southwest wind around 5 mph becoming northwest after midnight.
Thursday
Mostly sunny, with a high near 54. Northwest wind around 7 mph.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
South Dennis MA
 41.69°N 70.16°W (Elev. 7 ft)
5:51 pm EDT Apr 16, 2026
6pm EDT Apr 16, 2026-6pm EDT Apr 23, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database